HIGH PRECISION 1PC 7/16" ER20 COLLET TIR 0.0004" / 10μm CNC Tool Holder USA SELL

HIGH PRECISION 1PCS 7/16"ER20 COLLET TIR 0.0002" / 5μm CNC ER20 TOOL HOLDER. Concentricity is less than. 0004 at face and arbor (TIR). All critical surfaces precision ground. All critical surfaces are precision ground for accurate fit.